AT APPROXIMATELY 0500 HOURS ON 1 APRIL 2007, JAYSH AL MAHDI (JAM) PLAN TO CONDUCT AN INDIRECT FIRE ATTACK ON CAMP ECHO (MGRSCOORD 38RMA915368), AD DIWANIYAH (MGRSCOORD:38SMA9340), IRAQ (IZ) WITH AN UNSPECIFIED AMOUNT AND TYPE OF WEAPONS. JAM PLAN TO ATTACK FROM THE AL JUMOURI DISTRICT (38SMA932398) IN AD DIWANIYAH.